CN101300535A - Data processing device and method for the operation thereof - Google Patents

Data processing device and method for the operation thereof Download PDF

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Publication number
CN101300535A
CN101300535A CNA2006800413737A CN200680041373A CN101300535A CN 101300535 A CN101300535 A CN 101300535A CN A2006800413737 A CNA2006800413737 A CN A2006800413737A CN 200680041373 A CN200680041373 A CN 200680041373A CN 101300535 A CN101300535 A CN 101300535A
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China
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module
buffer address
data
sadr1
address area
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CNA2006800413737A
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Chinese (zh)
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霍斯特·纳特
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Continental Automotive GmbH
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Continental Automotive GmbH
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0426Programming the control sequence

Abstract

The invention relates to a data processing device (1), in particular to a tachograph (DTCO) for a motor vehicle, comprising: a functional module (FM) that controls certain functions of the data processing device (1) or connected apparatuses, and a data module (DT) which triggers the functional module in order to utilize the functions. The disadvantage is that the matching cost is high due to the matching of the whole product. To decrease modified cost and failure rate, a communication module (ComCM) is supplied for cooperating with at least one standard interface module (CM) which comprises memory buffer address areas (SADR 1 to SADR 5), wherein, the communication module (ComCM) transmits at least one memory buffer address area (SADR 1) to a first data module (DT) so as to control a first functional module (FM).

Description

Data processing equipment and operation method thereof
Technical field
The present invention relates to a kind of data processing equipment, especially a kind of Tachographs that is used for motor vehicle, this data processing equipment has: functional module, certain function of its control data treating apparatus or the equipment that connected; And data module, its control function module is used described function.In addition, the invention still further relates to a kind of especially method of the data processing equipment of aforementioned type that is used to move.
Background technology
Modern software with sophisticated functions designs according to hierarchical model usually, the open system of interconnected reference model for example so that the designs simplification by divided rank demonstration and cheer and bright each function of carrying out of complicated fact of case.At this, great majority are used for controlling module with assessment data and are positioned at the have attribute level of " the highest ", and the operation module that is generally used for different interfaces or function or external unit (for example printer or sensor) is arranged in the level of modifying with " minimum ".Because the necessary generally formation of each level is coordinated, functional element is so need a large amount of communications between level.At this, use the common communication mode between the program of each level.At this, the communication with operation of the level of lowest hierarchical level or interface is complicated and very easily makes mistakes, because these for example are used to control the sentence structure of the special device-specific of communication needs of external unit.In the example of the applied Tachographs of the present invention especially, especially with the communication of the operation module of speed probe the time, show higher programming cost, because may access lot of data module, for example control device of incident evaluation module, display unit or real-time clock on this Tachographs.Be that module by minimum level communication or program have the communication sentence structure of coordinating respectively and be used as element in this common way on corresponding performer.Coupling according to entire product for example will change outside equipment, thereby the coupling cost in a plurality of levels of hierarchical block is significant.The great number cost that this has greatly limited the dirigibility of product and has caused changing, this change are accompanied by the fault in the sophisticated functions in addition usually.The Tachographs that the present invention preferably can use is therein for example described in European patent document EP 1493129B1.
Summary of the invention
Shortcoming based on described in the background technology the objective of the invention is to, and reduces cost and failure rate that the data processing equipment on Tachographs is especially changed.
For this reason, propose a kind of according to claim 1 data processing equipment and a kind of method of this data processing equipment of operation according to claim 12.Dependent claims has comprised favourable improvement project of the present invention, and wherein the present invention also extends in certain embodiments, and these embodiment only provide based on the combination of the claim by clear and definite subordinate relation support.
Be interpreted as operation module and coefficient therewith assembly or equipment and its control device especially according to functional module of the present invention, for example asynchronous performer, synchronous performer, be used for transmission network performer, be used for performer, the performer that is used for display unit or printer and the similar module of the velocity correlation signal of tachometric survey device or measurement load-carrying vehicle.The data module that is arranged in level according to the present invention for example is the module that is used for the service data carrier or is used to download or is used to coordinate or be used to assess motion or incident, perhaps is used to control the module of display unit or printer or real-time clock.
Decisive advantage according to data processing equipment of the present invention or the method according to this invention is, a kind of center module is proposed, it is communication module, this communication module is by being connected between standardized interface or standard interface module composition data module and the functional module, and also coordinates and manage the access of a plurality of employed performers.This design proposal is avoided the cost costliness and the failure cost of coupling of indivedual scheme in communication of data module and functional module, and this system not only simple and clear but also can better move with testing in this way.The variation of basic scheme also can come to implement easily in this way.
When functional module comprises at least one operation module respectively, realized significant application of the present invention, by this operation functions of modules module (for example external unit) Be Controlled.In this way, perhaps also can use the operation module of the functional module that different manufacturers are installed at lower cost.
When the memorizer buffer address area that provides the data module that is used to write was consistent with the memorizer buffer address area that provides the functional module that is used to read, the present invention had provided the solution of especially saving storage space.When the data to be transmitted from the data module to the functional module will not transmitted basically with changing, then at first should provide this solution.Otherwise, when two memorizer buffer address areas not simultaneously, data change comprehensively if desired, then this will be significant.This can for example be to implement in having the situation of communications protocol.
When operation module or functional module have at least one memorizer buffer address area, when the data that are passed in the operation module to be passed are recorded in the described memorizer buffer address area, communication is by advantageously being supported by additional according to communication module of the present invention.
Advantageously, communication module and functional module or operation module have respectively and are used for output data and input data and are used for status information and the memorizer buffer address area of parameter is set.These addresses must exchange each other in order to begin access.For this exchange, communication module works according to the present invention, and this exchange is carried out or controlled and coordinate to this communication module in the initial phase of communication.
When communication module when passing to data module, will produce comprehensive dirigibility with the memorizer buffer address area of interface module (first memory buffer address district that is preferred for writing and the second memory buffer address district that is used to read).When passing to functional module, this will bring additional meaning with the memorizer buffer address of interface module (the 3rd memorizer buffer address area that promptly is used to write and the 4th memorizer buffer address area that is used to read) when communication module.
In addition, when communication module based on data module to when the request of access on the functional module is at first inquired about the availability of the access of being asked in the functional module of being asked, management is significant to the access of a plurality of employed functional modules or its operation module.
Conflict when reasonably removing access for function is when data module is significant according to access on the functional module request that priority is arranged, controllably finish described functional module according to described priority by described communication module of attaching troops to a unit.If for example functional module is set, and communication channel or the data module of being inquired about have the priority higher than set functional module, then on data module of using and employed passage, can send " call release (Release Call) ", employed thus data module closed communication and release function module or move module accordingly.Immediate access if desired, standard interface module can be changed communication immediately.If data module is interrupted its communication, this can inform by " aborted message (Abort Message) ".According to the present invention, acting in conjunction when communication module control data module, standard interface module and functional module, especially the end in making the beginning of sense data from the memorizer buffer address area and data being write memorizer buffer address area especially to be read is coordinated mutually, will be relevant.
Next the substep explanation is according to particularly advantageous improvement project of the present invention.In the first step, data module is used for the first memory address area of the standard interface module of functional module by the communication module request.In second step, communication module is used for the 5th memorizer buffer address area of the standard interface module of functional module by functional module or the request of operation module subsequently.In third step, communication module is handed to standard interface module with the 5th memorizer buffer address area.In the 4th step, carry out the transmission of first memory buffer address district from the standard interface module to the communication module.In the 5th step, communication module is handed to the first memory buffer address district of standard interface module on the data module subsequently.In the 6th step, by after this coordination of communication module, data module writes data in the first memory buffer address district of standard interface module in communication.In the 7th step, these data are provided with communications protocol by standard interface module, thereby data can copy in the memorizer buffer address area of operation module in the 8th step.The data that the operation module will be mated relatively are given to the function of being asked, and for example print on the basis of these data.
Description of drawings
Next, describe the present invention according to embodiment in detail with reference to accompanying drawing, this is not defined as the present invention the special shape of embodiment but is used for explanation.Wherein:
Fig. 1 show data module and functional module coupling and with the coefficient synoptic diagram of communication module according to the present invention and standard interface module,
Fig. 2 shows the coefficient basic flow sheet of communication module, standard interface module, data module and functional module or operation module.
Embodiment
Figure 1 illustrates communication module ComCM, standard interface module CM, a plurality of data module DT and a plurality of functional module FM or operation module DV acting in conjunction.With functional module FM communication the time, data module DT handles such service of being prepared by communication module ComCM, and promptly communication module ComCM configuration standard interface module CM and memorizer buffer address area SADR1 correspondingly arrange or inform the user of communication to SADR5.Communication module ComCM coordinates and control data module DT and functional module FM or be subordinated to communication between the operation module DV of functional module FM, especially by preparing the memorizer buffer address area, specifically be for output data (Put), input data (Get), status information and parameter is set at this.In the initial phase before each communication, communication module ComCM informs user's basic setup.
Data module specifically is data card module TCH, and it adjusts the operation of the data card that inserts; Download module DL, it controls downloading process; Correction module CAL, the correction of its control survey process; Measurement module MS, its control is by the measurement of motion sensor; Information module II, its control information interface; Mixed-media network modules mixed-media CANM, it adjusts the signal exchange with In-vehicle networking CAN; Evaluation module EH, it bears the assessment of incident; Motion module MD, it assesses exercise data; Display module MMI, it controls display unit; Print module PRN, it bears the control and the real-time clock RTC of printer.
The operation module of functional module or subordinate comprises asynchronous performer ASC, synchronous performer SSC particularly, be used for the performer of In-vehicle networking CAN, be used for rotational speed sender performer SIGDV, be used for motor message performer MSDV, be used for display unit performer LCDDV, be used for the performer PRNDV of printer and be used for the performer I2CDV of bus system.The arrow that in the synoptic diagram of Tachographs DTCO, provides from data module DT to functional module FM or operation module DV express each communication, wherein the carrying out that these communications not only can be unidirectional also can two-way carrying out.
Fig. 2 show single data module DT in communication with the synoptic diagram of the coefficient simplification of operation module DV that supports by communication module ComCM and standard interface module CM or functional module FM.Hereinafter, mutual relationship is represented with bracket (...) on illustrated flow process.
In the acting in conjunction that illustrates, data module DT is used for the first memory buffer address district SADR1 (Getadress) of the standard interface module CM of functional module FM or operation module DV by communication module ComCM request.Therefore, communication module ComCM asks the 5th buffer address district SADR5 (Sq1a) by operation module DV.The 5th memorizer buffer address area SADR5 that is delivered for use hands to standard interface module CM by communication module ComCM and goes up (Sq1b), and the standard interface module CM first memory buffer address district SADR1 that will be used for data module DT feeds back to communication module ComCM (Sq1c) thus.In step (Sq1d) subsequently, communication module ComCM hands to data module DT with the first memory buffer address district SADR1 of standard interface module CM.
Based on memorizer buffer address area SADR1, the SADR5 of exchange, data module DT is data storage (Put) in the district SADR1 of first memory buffer address, and impel communication module ComCM call out standard interface module CM (ProcessPut, Sq2a).Called standard interface module CM adds data to communications protocol PROT and complete data is copied among the 5th memorizer buffer address area SADR5.Communication module ComCM inquires about this state of a process (PutFin) simultaneously.
If communication module ComCM determines the end of process, will call out operation module DV, thereby should these data be sent with further application (Sq2b) the operation module, for example by printer (under the situation of PRNDV).
Subsequently, the data that data module DT is read to the receiver request by communication module ComCM, this communication module is handed to operation module DT with this request, moves thus among the 4th memorizer buffer address area SADR4 that module DT copies to the data of request standard interface module CM (Sq3a).Finish from operation module DV after the data transmission of standard interface module CM or the 4th memorizer buffer address area SADR4, communication module ComCM sends to order on the standard interface module CM, abandons communications protocol PROT from the data of transmission.After this preliminary work that stops data, the communication module ComCM of the state that the monitoring communication is handled sends to report on the data module DT, and promptly Qing Qiu data can be read from the district SADR2 of second memory buffer address.

Claims (22)

1. a data processing equipment (1), the Tachographs (DTCO) in particular for motor vehicle has: functional module (FM), certain function of this functional module control data treating apparatus (1) or the equipment that connected; And data module (DT), this data module is controlled described functional module and is come functions of use, it is characterized in that, be provided with communication module (ComCM), described communication module and at least one standard interface module (CM) acting in conjunction, described standard interface module (CM) comprises memorizer buffer address area (SADR1-SADR5), and wherein said communication module (ComCM) is passed at least one memorizer buffer address area (SADR1) first data module (DT) that is used to control first functional module (FM).
2. data processing equipment according to claim 1 (1) is characterized in that, described communication module (ComCM) is passed to described first functional module (FM) with memorizer buffer address area (SADR1-SADR5).
3. data processing equipment according to claim 1 (1) is characterized in that, described functional module (FM) comprises at least one operation module (DV) respectively, and described functional module (FM) is by means of described operation module Be Controlled.
4. according to each described data processing equipment (1) in the claim 1,2 or 3, it is characterized in that the memorizer buffer address area (SADR1-SADR5) of passing to described data module (DT) is consistent with the memorizer buffer address area (SADR1-SADR5) of passing to described functional module (FM).
5. according to each described data processing equipment (1) in the claim 1,2,3 or 4, it is characterized in that the memorizer buffer address area (SADR1-SADR5) of passing to described data module (DT) is different with the memorizer buffer address area (SADR1-SADR5) of passing to described functional module (FM).
6. according to each described data processing equipment (1) in the claim 1,2,3 or 4, it is characterized in that, described operation module (DV) or described functional module (FM) have at least one memorizer buffer address area (SADR1-SADR5), and the data that are passed in the operation module (DV) to be passed are recorded in the described memorizer buffer address area.
7. according to each described data processing equipment (1) in the aforementioned claim, it is characterized in that, described communication module (ComCM) is passed to described data module (DT) with the memorizer buffer address area (SADR1-SADR5) of described standard interface module (CM), promptly be used to first memory buffer address district (SADR1) that writes and the second memory buffer address district (SADR2) that is used to read, and described communication module (ComCM) is passed to described functional module (FM) with the described memorizer buffer address area (SADR1-SADR5) of described standard interface module (CM), the 3rd memorizer buffer address area (SADR3) that promptly is used to write and the 4th memorizer buffer address area (SADR4) that is used to read.
8. according to each described data processing equipment (1) in the aforementioned claim, it is characterized in that, based on data module (DT) to going up the request of access in functional module (FM), described communication module (ComCM) at first in the functional module of being asked (FM) inquiry whether can provide the access of being asked.
9. according to each described data processing equipment (1) in the aforementioned claim, it is characterized in that, described data module (DT) has priority attaching troops to a unit aspect the access of functional module (FM), controllably carried out the request of described functional module (FM) by described communication module (ComCM) according to described priority.
10. according to each described data processing equipment (1) in the aforementioned claim, it is characterized in that the memorizer buffer address area of the data module that described standard interface module (CM) will be used for writing data transmission (SADR1), that have communications protocol is to the memorizer buffer address area (SADR1) of the functional module that is used to read.
11. according to each described data processing equipment (1) in the aforementioned claim, it is characterized in that, described communication module (ComCM) is controlled the acting in conjunction of described data module (DT), described standard interface module (CM) and described functional module (FM), the beginning that especially makes sense data from memorizer buffer address area (SADR1-SADR5) with the end in the writing data into memory buffer address district (SADR1) is coordinated mutually.
12. method, be used for service data treating apparatus (1), especially according to each described data processing equipment (1) in the aforementioned claim, it is characterized in that, be provided with communication module (ComCM), this communication module and at least one comprise standard interface module (CM) acting in conjunction like this of memorizer buffer address area (SADR1-SADR5), first data module (DT) that promptly is used to control first functional module (FM) is to described communication module (ComCM) transmission request, and described communication module (ComCM) is passed to described first data module (DT) with at least one memorizer buffer address area (SADR1-SADR5).
13. method according to claim 12 is characterized in that, described functional module (FM) comprises operation module (DV), and described functional module (FM) is by means of described operation module Be Controlled.
14., it is characterized in that described communication module (ComCM) is passed to first functional module (FM) with the memorizer buffer address area (SADR1-SADR5) of described standard interface module (CM) according to each described method among the claim 12-13.
15. method according to claim 14 is characterized in that, the memorizer buffer address area (SADR1) of passing to the data module (DT) that is used to write is consistent with the memorizer buffer address area (SADR1) of passing to the functional module (FM) that is used to read.
16. method according to claim 14 is characterized in that, the memorizer buffer address area (SADR1) of passing to the data module (DT) that is used to write is different with the memorizer buffer address area (SADR1) of passing to the functional module (FM) that is used to read.
17. according to each described method among the claim 12-16, it is characterized in that, described communication module (ComCM) is passed to described data module (DT) with the memorizer buffer address area (SADR1-SADR5) of described standard interface module (CM), promptly be used to first memory buffer address district (SADR1) that writes and the second memory buffer address district (SADR2) that is used to read, and described communication module (ComCM) is passed to functional module (FM) with the memorizer buffer address (SADR1-SADR5) of described standard interface module (CM), the 3rd memorizer buffer address area (SADR3) that promptly is used to write and the 4th memorizer buffer address area (SADR4) that is used to read.
18. according to each described method among the claim 12-17, it is characterized in that, based on the request of data module, described communication module (ComCM) at first in the functional module of being asked (FM) inquiry whether can provide the access of being asked.
19. according to each described method among the claim 12-18, it is characterized in that, described data module (DT) has priority attaching troops to a unit aspect the access of functional module (FM), controllably finished the request of described functional module (FM) by described communication module (ComCM) according to described priority.
20. according to each described method among the claim 12-19, it is characterized in that the data transmission memorizer buffer address area (SADR1-SADR5) of the functional module (FM) that described standard interface module (CM) will be used for writing, that have communications protocol (Prot) is to the memorizer buffer address area (SADR1) of the functional module that is used to read (FM).
21. according to each described method among the claim 12-20, it is characterized in that, described communication module (ComCM) is controlled the acting in conjunction of described data module (DT), described standard interface module (CM) and described functional module (FM), the beginning that especially makes sense data from memorizer buffer address area (SADR1) with the end in the writing data into memory buffer address district (SADR1) is coordinated mutually.
22. according to each described method among the claim 12-21, it is characterized in that,
-in first step, described data module (DT) is used for the first memory address area (SADR1) of the standard interface module (CM) of functional module (FM) by described communication module (ComCM) request,
-in second step, described communication module (ComCM) is by functional module (FM) or move the 5th memorizer buffer address area (SADR5) that module (DV) request is used for the standard interface module (CM) of functional module (FM),
-in third step, described communication module (ComCM) is handed to described standard interface module (CM) with described the 5th memorizer buffer address area (SADR5),
-in the 4th step, the first memory buffer address district (SADR1) that described standard interface module (CM) will be used for described data module (DT) passes to described communication module (ComCM),
-in the 5th step, described communication module (ComCM) is handed to the first memory buffer address district (SADR1) of described standard interface module (CM) on the described data module (DT),
-in the 6th step, described data module (DT) writes data in the first memory buffer address district (SADR1) of described standard interface module (CM),
-in the 7th step, described standard interface module (CM) makes the data that come from described first memory buffer address district (SADR1) be provided with communications protocol (Prot), and
-in the 8th step, copy data in the memorizer buffer address area (SADR1) of described operation module (DV).
CNA2006800413737A 2005-11-07 2006-10-06 Data processing device and method for the operation thereof Pending CN101300535A (en)

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